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CAT 3204 engine specifications and manuals - amp

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dimensions and weight, 
essential bolt tightening torques, 

characteristics of the engine 
e.g. its power and torque. 

Essential bolt tightening torques are
 main bearing cap bolt torque, 
 connecting rod cap bolt torque 
 and the cylinder head bolt torques.
 


 
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CAT 3204 specs, bolt torques, workshop repair manual, spec sheets - amp

 
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CATERPILLAR 3204 Essential Diesel Engine Bolt Tightening Torques

 
CAT 3204
Main Bearing Bolts

Step 1 = 45 ± 4 lb.ft (61 ± 6 Nm)
Step 2 = +60 degrees ± 5 degrees

Connecting Rod Bolts

Step 1 = 30 ± 3 lb.ft (40 ± 4 Nm)
Step 2 = +60 degrees ± 5 degrees

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engine manuals and specs
 
Image 3204 PC Cylinder Head
CAT 3204
PC Cylinder Head Bolts

EARLIER BOLTS
(with six dash marks)
Step 1 = Tighten bolts 1 thru 18 in
number sequence to:
60 ± 10 lb.ft (80 ± 14 Nm)

Step 2. Tighten bolts 1 thru 18 in
number sequence to:
95 ± 5 lb.ft  (130 ± 7 Nm)

Step 3. Again tighten bolts 1 thru 18
in number sequence to:
95 ± 5 lb.ft (130 ± 7 Nm)

ALL:
Torque for head bolts 19 thru 22
(tighten in number sequence to)
32 ± 5 lb.ft (43 ± 7 Nm)

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engine manuals and specs
 
CAT 3204
PC Cylinder Head Bolts

Later BOLTS
(with seven dash marks)
Step 1 = Tighten bolts 
1 thru 18 in
number sequence to:
60 ± 10 lb.ft (80 ± 14 Nm)

Step 2. Tighten bolts 
1 thru 18 in
number sequence to:
110 ± 5 lb.ft  (150 ± 7 Nm)

Step 3. Again tighten bolts 
1 thru 18
in number sequence to:
110 ± 5 lb.ft (150 ± 7 Nm)

ALL:
Torque for head bolts 
19 thru 22
(tighten in number sequence to)
32 ± 5 lb.ft (43 ± 7 Nm)

Click for CAT 3204 
engine manuals and specs 
  Image 3204 DI Cylinder Head
CAT 3204
DI Cylinder Head

Step 1 = Tighten bolts 1 thru 18 in
number sequence to:
60 ± 10 lb.ft (80 ± 14 Nm)

Step 2. Tighten bolts 1 thru 18 in
number sequence to:
110 ± 5 lb.ft  (150 ± 7 Nm)

Step 3. Again tighten bolts 1 thru 18
in number sequence to:
110 ± 5 lb.ft (150 ± 7 Nm)

ALL:
Torque for head bolts 19 thru 22
(tighten in number sequence to)
32 ± 5 lb.ft (43 ± 7 Nm)

Click for CAT 3204 
engine manuals and specs 
 





 
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